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-rw-r--r--arch/mips/sgi-ip22/ip22-mc.c26
-rw-r--r--arch/mips/sgi-ip22/ip22-platform.c18
-rw-r--r--arch/mips/sgi-ip22/ip22-reset.c51
-rw-r--r--arch/mips/sgi-ip22/ip28-berr.c4
4 files changed, 48 insertions, 51 deletions
diff --git a/arch/mips/sgi-ip22/ip22-mc.c b/arch/mips/sgi-ip22/ip22-mc.c
index 3f35d6367be..5268ac187bb 100644
--- a/arch/mips/sgi-ip22/ip22-mc.c
+++ b/arch/mips/sgi-ip22/ip22-mc.c
@@ -208,4 +208,30 @@ void __init sgimc_init(void)
void __init prom_meminit(void) {}
void __init prom_free_prom_memory(void)
{
+#ifdef CONFIG_SGI_IP28
+ u32 mconfig1;
+ unsigned long flags;
+ spinlock_t lock;
+
+ /*
+ * because ARCS accesses memory uncached we wait until ARCS
+ * isn't needed any longer, before we switch from slow to
+ * normal mode
+ */
+ spin_lock_irqsave(&lock, flags);
+ mconfig1 = sgimc->mconfig1;
+ /* map ECC register */
+ sgimc->mconfig1 = (mconfig1 & 0xffff0000) | 0x2060;
+ iob();
+ /* switch to normal mode */
+ *(unsigned long *)PHYS_TO_XKSEG_UNCACHED(0x60000000) = 0;
+ iob();
+ /* reduce WR_COL */
+ sgimc->cmacc = (sgimc->cmacc & ~0xf) | 4;
+ iob();
+ /* restore old config */
+ sgimc->mconfig1 = mconfig1;
+ iob();
+ spin_unlock_irqrestore(&lock, flags);
+#endif
}
diff --git a/arch/mips/sgi-ip22/ip22-platform.c b/arch/mips/sgi-ip22/ip22-platform.c
index 28ffec8e5d1..fc6df96305e 100644
--- a/arch/mips/sgi-ip22/ip22-platform.c
+++ b/arch/mips/sgi-ip22/ip22-platform.c
@@ -175,3 +175,21 @@ static int __init sgiseeq_devinit(void)
}
device_initcall(sgiseeq_devinit);
+
+static int __init sgi_hal2_devinit(void)
+{
+ return IS_ERR(platform_device_register_simple("sgihal2", 0, NULL, 0));
+}
+
+device_initcall(sgi_hal2_devinit);
+
+static int __init sgi_button_devinit(void)
+{
+ if (ip22_is_fullhouse())
+ return 0; /* full house has no volume buttons */
+
+ return IS_ERR(platform_device_register_simple("sgiindybtns",
+ -1, NULL, 0));
+}
+
+device_initcall(sgi_button_devinit);
diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c
index a435b31cf03..4ad5c3393fd 100644
--- a/arch/mips/sgi-ip22/ip22-reset.c
+++ b/arch/mips/sgi-ip22/ip22-reset.c
@@ -39,7 +39,7 @@
#define POWERDOWN_FREQ (HZ / 4)
#define PANIC_FREQ (HZ / 8)
-static struct timer_list power_timer, blink_timer, debounce_timer, volume_timer;
+static struct timer_list power_timer, blink_timer, debounce_timer;
#define MACHINE_PANICED 1
#define MACHINE_SHUTTING_DOWN 2
@@ -139,36 +139,6 @@ static inline void power_button(void)
add_timer(&power_timer);
}
-void (*indy_volume_button)(int) = NULL;
-
-EXPORT_SYMBOL(indy_volume_button);
-
-static inline void volume_up_button(unsigned long data)
-{
- del_timer(&volume_timer);
-
- if (indy_volume_button)
- indy_volume_button(1);
-
- if (sgint->istat1 & SGINT_ISTAT1_PWR) {
- volume_timer.expires = jiffies + (HZ / 100);
- add_timer(&volume_timer);
- }
-}
-
-static inline void volume_down_button(unsigned long data)
-{
- del_timer(&volume_timer);
-
- if (indy_volume_button)
- indy_volume_button(-1);
-
- if (sgint->istat1 & SGINT_ISTAT1_PWR) {
- volume_timer.expires = jiffies + (HZ / 100);
- add_timer(&volume_timer);
- }
-}
-
static irqreturn_t panel_int(int irq, void *dev_id)
{
unsigned int buttons;
@@ -190,25 +160,8 @@ static irqreturn_t panel_int(int irq, void *dev_id)
* House. Only lowest 2 bits are used. Guiness uses upper four bits
* for volume control". This is not true, all bits are pulled high
* on fullhouse */
- if (ip22_is_fullhouse() || !(buttons & SGIOC_PANEL_POWERINTR)) {
+ if (!(buttons & SGIOC_PANEL_POWERINTR))
power_button();
- return IRQ_HANDLED;
- }
- /* TODO: mute/unmute */
- /* Volume up button was pressed */
- if (!(buttons & SGIOC_PANEL_VOLUPINTR)) {
- init_timer(&volume_timer);
- volume_timer.function = volume_up_button;
- volume_timer.expires = jiffies + (HZ / 100);
- add_timer(&volume_timer);
- }
- /* Volume down button was pressed */
- if (!(buttons & SGIOC_PANEL_VOLDNINTR)) {
- init_timer(&volume_timer);
- volume_timer.function = volume_down_button;
- volume_timer.expires = jiffies + (HZ / 100);
- add_timer(&volume_timer);
- }
return IRQ_HANDLED;
}
diff --git a/arch/mips/sgi-ip22/ip28-berr.c b/arch/mips/sgi-ip22/ip28-berr.c
index 30e12e2ec4b..fee7a2e0e53 100644
--- a/arch/mips/sgi-ip22/ip28-berr.c
+++ b/arch/mips/sgi-ip22/ip28-berr.c
@@ -412,7 +412,7 @@ static int ip28_be_interrupt(const struct pt_regs *regs)
* Now we have an asynchronous bus error, speculatively or DMA caused.
* Need to search all DMA descriptors for the error address.
*/
- for (i = 0; i < sizeof(hpc3)/sizeof(struct hpc3_stat); ++i) {
+ for (i = 0; i < ARRAY_SIZE(hpc3); ++i) {
struct hpc3_stat *hp = (struct hpc3_stat *)&hpc3 + i;
if ((cpu_err_stat & CPU_ERRMASK) &&
(cpu_err_addr == hp->ndptr || cpu_err_addr == hp->cbp))
@@ -421,7 +421,7 @@ static int ip28_be_interrupt(const struct pt_regs *regs)
(gio_err_addr == hp->ndptr || gio_err_addr == hp->cbp))
break;
}
- if (i < sizeof(hpc3)/sizeof(struct hpc3_stat)) {
+ if (i < ARRAY_SIZE(hpc3)) {
struct hpc3_stat *hp = (struct hpc3_stat *)&hpc3 + i;
printk(KERN_ERR "at DMA addresses: HPC3 @ %08lx:"
" ctl %08x, ndp %08x, cbp %08x\n",